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The fusion of algebra, analysis and geometry, and their application to real world problems, have been dominant themes underlying mathematics for over a century. Geometric algebras, introduced and classified by Clifford in the late 19th century, have played a prominent role in this effort, as seen in the mathematical work of Cartan, Brauer, Weyl, Chevelley, Atiyah, and Bott, and in applications to physics in the work of Pauli, Dirac and others. One of the most important applications of geometric algebras to geometry is to the representation of groups of Euclidean and Minkowski rotations. This aspect and its direct relation to robotics and vision will be discussed in several chapters of this multi-authored textbook, which resulted from the ASI meeting. Moreover, group theory, beginning with the work of Burnside, Frobenius and Schur, has been influenced by even more general problems. As a result, general group actions have provided the setting for powerful methods within group theory and for the use of groups in applications to physics, chemistry, molecular biology, and signal processing. These aspects, too, will be covered in detail. With the rapidly growing importance of, and ever expanding conceptual and computational demands on signal and image processing in remote sensing, computer vision, medical image processing, and biological signal processing, and on neural and quantum computing, geometric algebras, and computational group harmonic analysis, the topics of the book have emerged as key tools. The list of authors includes many of the world's leading experts in the development of new algebraic modeling and signal representation methodologies, novel Fourier-based and geometric transforms, and computational algorithms required for realizing the potential of these new application fields.
The 20th century's automobile-inspired land use changes brought about tremendous transformations in how stormwater moves across the modern urban land-scape. Streets and parking areas in the average urban family's neighborhood now exceed the amount of land devoted to living space. Add parking, office and commercial space, and it's easy to understand how modern cities have experienced a three-fold increase in impervious areas. Traditional wet weather collection systems removed stormwater from urban areas as quickly as possible, often transferring problems downstream. Innovative Urban WetWeather Flow Management Systems does two things: It considers the physical, chemical, and biological characteristics of urban runoff; then describes innovative methods for improving wet weather flow (WWF) management systems. The result of extensive research, Innovative Urban Wet-Weather Flow Manage-ment Systems looks most at how to handle runoff in developments of the 21st century: the confl icting objectives of providing drainage while decreasing stormwater pollutant discharges; the impact of urban WWF on surface and groundwater, such as smaller urban stream channels scoured by high peak flows; sediment transport and the toxic effects of WWF on aquatic organisms; the effectiveness of WWF controls-including design guidelines and source and downstream controls-are an important issue. Innovative Urban Wet-Weather Flow Management Systems looks at how source controls like biofi ltration, created through simple grading, may work in newly developing areas, while critical source areas like an auto service facilities, may need more extensive treatment strategies. Focusing WWF treatment on intensively used areas, such as the 20 percent of streets that handle the bulk of the traffic, and under utilized parking areas is also considered. Developing a more integrated water supply system-collecting, treating, and disposing of wastewater, and handling urban WWF-requires innovative methods, such as a neighborhood-scale system that would recycle treated wastewater and storm water for lawn watering and toilet flushing, or use treated roof runoff for potable purposes.
Drained by a half-dozen major watersheds, cut by a network of deep ravines and fronting on a Great Lake, Toronto is dominated by water. Like most cities, though, Toronto has mismanaged its water, from the decades-long transformation of the city's creeks into sewersheds to the alteration of Toronto's waterfront. Recently, the trend of fettering Toronto's water and putting it underground has been countered by persistent citizen-led efforts to recall and restore the city's surface water. In HTO: Toronto's Water from Lake Iroquois to Lost Rivers to Low-flow Toilets, 30 contributors examine the ever-changing interplay between nature and culture, and call into question the city's past, present and future engagement with water.
As urban areas keep growing, water infrastructure ages, and the requirements on environmental protection become more rigorous, there is a continual need for upgrading water pollution control facilities and restoring degraded urban waters. Such issues are addressed in this book by focusing on five major topics: (a) Upgrading stormwater management facilities, (b) Retrofitting / upgrading combined sewer overflow (CSO) facilities, (c) Optimising/upgrading sewage treatment plant performance, (d) Urban stream restoration, and (e) Challenges in restoring urban environment. Each chapter contains some overview papers followed by research or case study papers. Besides presentations of new approaches and accomplishments in the field of upgrading and restoration, several papers provide analysis of vast needs in this field in several countries of Central and Eastern Europe, which either recently joined the European Union (EU) or are preparing for accession, and need to comply with the existing EU directives dealing with environmental protection. As such, this book will be of primary interest to researchers and university lecturers dealing with environmental upgrading and restoration, environmental planners from all levels of government, municipal engineers and politicians, and finally the private industry representatives (consultants, private utilities and environmental technology suppliers) searching for new business opportunities among the new or aspiring members of EU.
According to the National Resources Defense Council, stormwater runoff rivals or exceeds discharges from factories and sewage plants as a source of pollution throughout the United States. The Environmental Protection Agency identifies urban stormwaters as the second largest source of water quality damage in estuaries and a significant contributor t
This edited volume while focusing on participatory governance in the Great Lakes basin of North America also gives a comparative perspective of the African Great Lakes. The book describes the actions taken at degraded locations along the Great Lakes in North America through Remedial Action Plans (RAP) and other mechanisms, with an aim to highlight the successes and failures encountered in ecosystembased regenerative approaches. The book documents these experiences including the lead taken by industry in improving environmental quality of the Great Lakes. The book concludes with lessons learnt about revitalizing the ecosystem integrity of the lakes, which can be replicated in other watersheds of the world.
This book will inspire and spark grassroots action to address the inequitable impacts of climate change, by showing how this can be tackled and the many benefits of doing so. With contributions from climate activists and engaged young authors, this volume explores the many ways in which people are proactively working to advance climate justice. The book pays special attention to Canada and the Great Lakes watershed, showing how the effects of climate change span local, regional, and global scales through the impact of extreme weather events such as floods and droughts, with related economic and social effects that cross political jurisdictions. Examining examples of local-level activism that include organizing for climate-resilient and equitable communities, the dynamic leadership of Indigenous peoples (especially women) for water and land protection, and diaspora networking, Local Activism for Global Climate Justice also provides theoretical perspectives on how individual action relates to broader social and political processes. Showcasing a diverse range of inspirational and thought-provoking case studies, this book will be of great interest to students and scholars of climate justice, climate change policy, climate ethics, and global environmental governance, as well as teachers and climate activists.
More trees. Hydrogen-fuelled cabs. Urbiology. A new model of taxation. Solar panels on big-box stores. The art of salvage. Composters for dog poo in city parks. Retrofitting our urban slabs. Gardening the Gardiner. Ravine City. What would make Toronto a greener place? In the third volume of the uTOpia series, dozens of imaginative Torontonians think big and small about sustainability. From suggestions for changes to our transit system and more mixed-use neighbourhoods to a tongue-in-cheek proposal for a painted line aroudn the city and a short comic book about Toronto in the year 2057, GreenTOpia challenges the city and its residents to rethink what it means to be green in a metropolis, and how to take their love of the city one green step further. Other pieces include an interview with Mayor David Miller and a breakdown of the ecological impact of our morning coffee. GreenTOpia features photos, maps and a 56 page green directory of resources, organizations, incentives and programs promoting sustainability in the GTA.
Green roofs are vegetated roof covers which can improve stormwater management, increase green space in dense urban areas and help reduce a building's contribution to the heat island effect. This Manual is an overview of international and Canadian green roof policies and programs. It features 12 jurisdictions that demonstrate leadership in green roof policy development, and shows how other Canadian and U.S. cities are developing supportive policies. By reviewing the reasons municipalities throughout the world have set green roof policies and programs, policy makers can better determine which policies suit their needs.